haiku/headers/private/fs_shell/fssh_fcntl.h

83 lines
3.0 KiB
C

/*
* Copyright 2002-2007, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _FSSH_FCNTL_H
#define _FSSH_FCNTL_H
#include "fssh_types.h"
/* commands that can be passed to fcntl() */
#define FSSH_F_DUPFD 0x0001 /* duplicate fd */
#define FSSH_F_GETFD 0x0002 /* get fd flags */
#define FSSH_F_SETFD 0x0004 /* set fd flags */
#define FSSH_F_GETFL 0x0008 /* get file status flags and access mode */
#define FSSH_F_SETFL 0x0010 /* set file status flags */
#define FSSH_F_GETLK 0x0020 /* get locking information */
#define FSSH_F_SETLK 0x0080 /* set locking information */
#define FSSH_F_SETLKW 0x0100 /* as above, but waits if blocked */
/* advisory locking types */
#define FSSH_F_RDLCK 0x0040 /* read or shared lock */
#define FSSH_F_UNLCK 0x0200 /* unlock */
#define FSSH_F_WRLCK 0x0400 /* write or exclusive lock */
/* file descriptor flags for fcntl() */
#define FSSH_FD_CLOEXEC 1 /* close on exec */
/* file access modes for open() */
#define FSSH_O_RDONLY 0x0000 /* read only */
#define FSSH_O_WRONLY 0x0001 /* write only */
#define FSSH_O_RDWR 0x0002 /* read and write */
#define FSSH_O_ACCMODE 0x0003 /* mask to get the access modes above */
#define FSSH_O_RWMASK FSSH_O_ACCMODE
/* flags for open() */
#define FSSH_O_EXCL 0x0100 /* exclusive creat */
#define FSSH_O_CREAT 0x0200 /* create and open file */
#define FSSH_O_TRUNC 0x0400 /* open with truncation */
#define FSSH_O_NOCTTY 0x1000 /* currently unsupported */
#define FSSH_O_NOTRAVERSE 0x2000 /* do not traverse leaf link */
/* flags for open() and fcntl() */
#define FSSH_O_CLOEXEC 0x00000040 /* close on exec */
#define FSSH_O_NONBLOCK 0x00000080 /* non blocking io */
#define FSSH_O_APPEND 0x00000800 /* to end of file */
#define FSSH_O_TEXT 0x00004000 /* CR-LF translation */
#define FSSH_O_BINARY 0x00008000 /* no translation */
#define FSSH_O_SYNC 0x00010000 /* write synchronized I/O file integrity */
#define FSSH_O_RSYNC 0x00020000 /* read synchronized I/O file integrity */
#define FSSH_O_DSYNC 0x00040000 /* write synchronized I/O data integrity */
#define FSSH_O_NOFOLLOW 0x00080000 /* fail on symlinks */
#define FSSH_O_NOCACHE 0x00100000 /* do not use the file system cache if */
/* possible */
#define FSSH_O_DIRECT FSSH_O_NOCACHE
#define FSSH_O_DIRECTORY 0x00200000 /* fail if not a directory */
// TODO: currently not implemented additions:
/* should we implement this? it's similar to O_NOTRAVERSE but will fail on symlinks */
#define FSSH_O_TEMPORARY 0x00400000 /* used to avoid writing temporary files to disk */
#define FSSH_S_IREAD 0x0100 /* owner may read */
#define FSSH_S_IWRITE 0x0080 /* owner may write */
#ifdef __cplusplus
extern "C" {
#endif
extern int fssh_creat(const char *path, fssh_mode_t mode);
extern int fssh_open(const char *pathname, int oflags, ...);
/* the third argument is the permissions of the created file when O_CREAT
is passed in oflags */
extern int fssh_fcntl(int fd, int op, ...);
#ifdef __cplusplus
}
#endif
#endif /* _FSSH_FCNTL_H */